444122304487 has 2 divisors, whose sum is σ = 444122304488. Its totient is φ = 444122304486.

The previous prime is 444122304389. The next prime is 444122304491. The reversal of 444122304487 is 784403221444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444122304487 - 2²³ = 444113915879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444122304187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222061152243 + 222061152244.

It is an arithmetic number, because the mean of its divisors is an integer number (222061152244).

Almost surely, 2^444122304487 is an apocalyptic number.

444122304487 is a deficient number, since it is larger than the sum of its proper divisors (1).

444122304487 is an equidigital number, since it uses as much as digits as its factorization.

444122304487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 688128, while the sum is 43.

The spelling of 444122304487 in words is "four hundred forty-four billion, one hundred twenty-two million, three hundred four thousand, four hundred eighty-seven".